| Specimen ID | 230334 |
| Group | Plants |
| Genus | Myriophyllum |
| Species | spicatum |
| Common Name | Eurasian watermilfoil |
| State | PA |
| County | Montgomery |
| Locality | Ridge Valley Creek, behind the dam, Ridge Valley. |
| Mapping Accuracy | Accurate |
| HUC8 Name | Schuylkill |
| HUC8 Number | 02040203 |
| HUC10 Name | Perkiomen Creek |
| HUC10 Number | 0204020308 |
| HUC12 Name | Unami Creek |
| HUC12 Number | 020402030804 |
| Map | |
| Collection Day | 1 |
| Collection Month | 9 |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | unknown |
| Status | established |
| Reference 1 |
| Ref. Number: | 10518 |
| Author: | Pennsylvania Flora Database. |
| Date: | 2011 |
| Title: | Pennsylvania Flora Project |
| Publisher: | Morris Arboretum at the University of Pennsylvania (MOAR) |
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| Comments | CollectorNumber: MOAR Rhoads;Armstong s.n. |
| Record Type | Literature |
| Museum Cat Number | herb/Morris Arboretum U/PA |
| Freshwater/Marine | Freshwater |
